Home / 7,388.28-11,080.44-2,192.92

Finding the Fourth Proportional to 7,388.28, 11,080.44 and 2,192.92

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Solution

The fourth proportional to 7,388.28, 11,080.44 and 2,192.92 is: 3,288.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,388.28 : 11,080.44 = 2,192.92 : x
  2. Step 2: Convert to fraction form
    7,388.28/11,080.44 = 2,192.92/x
  3. Step 3: Cross multiply
    7,388.28x = 11,080.44 × 2,192.92
  4. Step 4: Simplify right side
    7,388.28x = 24,298,518.48
  5. Step 5: Solve for x
    x = 24,298,518.48/7,388.28
  6. Step 6: Final answer
    x = 3,288.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.